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The alloy has seen a significant price increase, highlighting the distinct advantages of percussion hammers in hard rock formations.
Alloy prices surge, hard rock formation construction faces cost crisis Since 2026, tungsten steel prices have surged nearly fivefold annually, while core alloy materials like tungsten carbide powder have skyrocketed by over 370% year-on-year, severely impacting hard rock formation construction s...Read more -
Prevention and Control of Eleven Common Quality Defects in Drilled Pile
Pis aller 1. Hole collapse and shrinkage: Drilling and pouring pile construction is predominantly carried out in Quaternary loose strata, making hole collapse the most common accident during pile installation. (1) Precursor signs before the accident Collapse and shrinkage of drill holes during d...Read more -
How to Avoid the Floating of Steel Reinforcement Cage in Poured Drilling Pile?
The floating of the steel cage in the process of bored pile pouring is often happened, the light one is floating several centimeters to dozens of centimeters, the heavy one is floating several meters, even all floating up, which is very harmful to the quality of the project. Ⅰ.Analysis of the Fl...Read more -
Development Trends of Fully Hydraulic Exploration Drill Rig: A New Era of Efficient and Intelligent Geological Exploration
With the continuous growth in global demand for mineral resource exploration and increasingly complex exploration environments, fully hydraulic exploration drills, as the core equipment of modern geological survey, are undergoing profound technological transformation. High efficiency, intelligenc...Read more -
How to Select and Use the Efficient, Economic and Safe Pile Breaker
In modern pile foundation construction projects, to ensure the height of concrete piles meets construction requirements, it is typically necessary to expose the pile 1-2 meters above the ground. This necessitates cutting off the excess portion of the pile. Hydraulic pile breakers are the most pr...Read more -
How Rock Splitters Revolutionize Mining Operations
Splitter, also known as splitter, stone splitter, or rock breaker. It is a new method of mining that has developed rapidly in recent years. It’s vibration-free, impact-free, noise-free, and dust-free, completing splitting in seconds. It boasts high efficiency, controllable splitting,...Read more -
Horizontal Directional Drilling Rig (HDD) Introduction, Selection, and Engineering Applications
In the field of infrastructure construction, horizontal directional drilling rigs, as a highly efficient and environmentally friendly trenchless construction equipment, are gradually becoming the “main force” in projects such as underground pipeline laying and communication fiber opti...Read more -
Rotary drilling method for soft soil and other easily collapsible strata
1、Characteristics of soft soil and other easily collapsible strata and risks of borehole formation In soft soil, newly deposited backfill, and recently deposited loose fine sand layers, if the groundwater level is high, even with mud slurry wall protection, the borehole wall is difficult to stab...Read more -
Can we pour concrete when there is standing water in the pit?
To address this question, we must first determine whether water accumulation in the foundation pit affects concrete quality. According to Article 7.5.2 of GB/T14902 “Ready-Mix Concrete” standard: Concrete mixer trucks must completely drain water from mixing tanks before loading, and i...Read more -
There is water in the pit. Can we pour concrete?
To address this question, we must first determine whether water accumulation in the foundation pit affects concrete quality. According to Article 7.5.2 of GB/T14902 “Ready-Mix Concrete” standard: Concrete mixer trucks must completely drain water from mixing tanks before loading, and i...Read more -
When should an underground continuous wall be used?
Characteristics of Underground Continuous Walls An underground continuous wall is constructed using specialized excavation equipment. The process involves excavating a slot-shaped hole along the perimeter of a foundation or underground structure to specified dimensions, followed by installing ste...Read more -
Comparative analysis of rotary drilling rig with impact and rotary drilling rig
The rotary drilling rig, a hole-forming equipment gaining widespread acceptance in recent years, has become a widely recognized method in underground foundation construction. As the fastest-developing innovative pile hole construction technique, rotary drilling cast-in-place piles are hailed as a...Read more